package cn.wolfcode.wolf2w.resolver;


import cn.wolfcode.wolf2w.annotation.UserParam;
import cn.wolfcode.wolf2w.domain.UserInfo;
import cn.wolfcode.wolf2w.redis.IUserInfoRedisService;
import cn.wolfcode.wolf2w.service.IUserInfoService;
import org.apache.catalina.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.MethodParameter;
import org.springframework.web.bind.support.WebDataBinderFactory;
import org.springframework.web.context.request.NativeWebRequest;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.method.support.ModelAndViewContainer;

import javax.servlet.http.HttpServletRequest;

public class UserInfoArgumentResolver implements HandlerMethodArgumentResolver {

    @Autowired
    private IUserInfoRedisService userInfoRedisService;

    @Override
    public boolean supportsParameter(MethodParameter methodParameter) {
        return methodParameter.hasParameterAnnotation(UserParam.class) && methodParameter.getParameterType() == UserInfo.class;
    }

    @Override
    public Object resolveArgument(MethodParameter methodParameter, ModelAndViewContainer modelAndViewContainer, NativeWebRequest nativeWebRequest, WebDataBinderFactory webDataBinderFactory) throws Exception {

        HttpServletRequest request = nativeWebRequest.getNativeRequest(HttpServletRequest.class);

        String token = request.getHeader("token");

        UserInfo userInfo = userInfoRedisService.getUserInfoByToken(token);

        return userInfo;
    }
}
